>> up next, columbia university history professor eric foner examines abraham lincoln's thoughts on slavery and reports that early in president lincoln's political career he was naturally anti-slavery but adhered to the constitution's original protection of the institution in the slave states. this discussion is about an hour, ten minutes. >> well, thank you very much for that kind introduction, and thanks to all of you for coming out on this kind of -- now i know why they call chicago the windy city. coming in here today. but i'm very, very happy to be here at this great institution, and as was said after my talk, i would be more than happy to take some time to respond to questions -- >> [inaudible] >> okay. someone can't hear the mic. i will, i'll be happy to answer questions after the talk is over. well, i don't need to tell you here in illinois that abraham lincoln is probably the most iconic figure in american history. every political group from radicals to conservatives, from selling regaitionists to civil rights advocates has tried to claim lincoln as their own, every protestant deno